Home / 123,238,073.32-170,073,854.34-68,233,929.40

Finding the Fourth Proportional to 123,238,073.32, 170,073,854.34 and 68,233,929.40

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Solution

The fourth proportional to 123,238,073.32, 170,073,854.34 and 68,233,929.40 is: 94,165,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,238,073.32 : 170,073,854.34 = 68,233,929.40 : x
  2. Step 2: Convert to fraction form
    123,238,073.32/170,073,854.34 = 68,233,929.40/x
  3. Step 3: Cross multiply
    123,238,073.32x = 170,073,854.34 × 68,233,929.40
  4. Step 4: Simplify right side
    123,238,073.32x = 11,604,807,369,821,444
  5. Step 5: Solve for x
    x = 11,604,807,369,821,444/123,238,073.32
  6. Step 6: Final answer
    x = 94,165,764.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.